///////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2002 Jason Baldridge and Gann Bierner
// 
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// 
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.
// 
// You should have received a copy of the GNU Lesser General Public
// License along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
//////////////////////////////////////////////////////////////////////////////

package opennlp.ccg.unify;

/**
 * An attribute paired with a value, possibly with an index that ties
 * it to another feature.
 *
 * @author      Jason Baldridge
 * @version     $Revision: 1.1.1.1 $, $Date: 2003/02/28 18:02:13 $
 **/
public interface Feature {

    public String getAttribute ();
    public Unifiable getValue ();
    public short getIndex ();

    public void setValue (Unifiable u);
    public void setIndex (short index);

}
